Bicycle



FIG. 1 is an elevational view from the left side;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a perspective view from right and front side; and,

FIG. 7 is a perspective view from left and rear side. 

The ornamental design for a bicycle, as shown and described. 